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| author | Richard Biener <rguenther@suse.de> | 2015-12-10 13:23:22 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2015-12-10 13:23:22 +0000 |
| commit | 41eefe133f91ffeead07774a8f68040135e5fe1c (patch) | |
| tree | b8861b76f608e744e7a6f75eb84aede7ae339e5b /gcc | |
| parent | a868fff102f5a15b6870b67a4776fb2dd149c867 (diff) | |
| download | gcc-41eefe133f91ffeead07774a8f68040135e5fe1c.zip gcc-41eefe133f91ffeead07774a8f68040135e5fe1c.tar.gz gcc-41eefe133f91ffeead07774a8f68040135e5fe1c.tar.bz2 | |
re PR tree-optimization/68817 (internal compiler error: Segmentation fault (program f951))
2015-12-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/68817
* tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Detect
gaps early.
* gfortran.dg/pr68817.f90: New testcase.
From-SVN: r231508
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr68817.f90 | 11 | ||||
| -rw-r--r-- | gcc/tree-vect-slp.c | 2 |
4 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e68d688..13f4154 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-10 Richard Biener <rguenther@suse.de> + + PR tree-optimization/68817 + * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Detect + gaps early. + 2015-12-10 Ilya Enkovich <enkovich.gnu@gmail.com> * tree-vect-stmts.c (vectorizable_assignment): Support diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 499ec0d..40bfb45 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-12-10 Richard Biener <rguenther@suse.de> + + PR tree-optimization/68817 + * gfortran.dg/pr68817.f90: New testcase. + 2015-12-10 Christophe Lyon <christophe.lyon@linaro.org> Revert [testsuite][ARM target attributes] Fix effective_target tests diff --git a/gcc/testsuite/gfortran.dg/pr68817.f90 b/gcc/testsuite/gfortran.dg/pr68817.f90 new file mode 100644 index 0000000..606b430 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr68817.f90 @@ -0,0 +1,11 @@ +! { dg-do compile } +! { dg-options "-O3 -ffast-math" } + SUBROUTINE TEST(A,B,C) + DIMENSION B(3),C(1000,10) + DO I = 1,3 + I3=I*3 + B(1) = B(1) + (C(K,I3+1)-A) + B(3) = B(3) + (C(K,I3+3)-A) + ENDDO + END + diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index b893682..5be2f90 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -1237,6 +1237,8 @@ vect_attempt_slp_rearrange_stmts (slp_instance slp_instn) bitmap_clear (load_index); FOR_EACH_VEC_ELT (node->load_permutation, i, lidx) { + if (lidx >= group_size) + return false; if (bitmap_bit_p (load_index, lidx)) { sbitmap_free (load_index); |